ul,ol,li {
    list-style: none;
}
html,body {
    position: relative;
}
* {
    margin: 0;
    padding: 0;
}
a {
    text-decoration: none;
    color: #000;
}
.content{
    width: 100%;
}
    /* nav部分 */
nav {
    width: 1100px;
    height: 75px;
    margin: 0 auto;

}
nav > .logo > img{
width: 100%;

}
nav > .logo {
    width: 300px;
    height: 70px;
    display: inline-block;

}
.sear{
    width: 500px;
    height: 75px;
    float: right;
}
.sear > form {
    height: 100%;
    width: 100%;
    display: flex;
}
.sear > form > input {
    width: 350px;
    height: 35px;
    border-radius: 35px;
    margin-top: 20px;
    border: 1px solid rgb(228, 228, 228);
    outline: none;
    background-image: url(../images/放大镜.png);
    background-repeat: no-repeat;
    background-position: 2px;
    padding-left:25px;
    flex: 1;

}
.sear > form >.cart {
    width:30px;
    height: 35px;
    display: inline-block;
    font-size: 30px;
    margin-left: 10px;
    flex: 0.4;
    margin-top: 10px;
    margin-left: 20px;
    position: relative;

}
.sear > form > .cart > .cart_1 {
    width: 20px;
    height: 20px;
    background-color: red;
    border-radius:10px;
    position: absolute;
    top: 2px;
    left: 2px;
    font-size: 16px;
    text-align: center;
    z-index: 5;
}
.sear > form > .login {
    display: inline-block;
    margin-top: 20px;
}
.sear > form > .login > #top{
    display: none;
}
.sear > form > .login > .login_1 {
    display: none;
    width: 160px;
    height: 200px;
    font-size: 12px;
    position: absolute;
    top: 50px;
    right: 130px;
    box-shadow: 2px 2px 5px #000;
    z-index: 1;
    background-color: #fff;
}
.login_1 > li {
    height: 40px;
    line-height: 40px;
    padding-left: 10px;
    font-size: 10px;
}
